CPU: Undervolt the high end of the freq table a bit, plus general fine tuning

Change-Id: I2040e8f341f6b4983d6fbbfbf1fe010c26bcc2cc
defconfig: set initial startup max CPU freq to 1998Mhtz (all devices can boot this)

Change-Id: I2a842a16b40b6b0f9c94a5c40fb6d6344f3ae4f9
Various changes and fixes for compiling with linaro using the -o3 option

Change-Id: I7e69e48d8947fbfaafd4cf9600d58e9e45d45f17
housekeeping: Removed unused CPU tables from source

Change-Id: I20b5d3c158e0b4b38f4e9ca825dbf0b8f6b158ec
housekeeping: give the #define SEC_DVFS a more descriptive name.

This is used to specifiy the max allowed CPU freq with SEC_DVFS enabled.
SEC_DVFS was too generic so I gave it a more proper name

Change-Id: If052701621afb69121a9ca18e0b6ac4c04b01f89
Revert "USB force fast charging"

Was cuasing issues with battery drain, will re-visit this later

This reverts commit 0066ac8ec996b5f5c6b11f0c2a50fe9154785e64.